Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    20/01/2025, 22:10

General

  • Target

    ba03a250f61166d27449d8a8ecdcdfc208b96d7e37f70ba85bd835500dc8d9f3.apk

  • Size

    2.5MB

  • MD5

    7395477b98c99a45c4a25d326de81a81

  • SHA1

    dd646f90c4e57793910b3cb9ccbe8b1f3d1fd054

  • SHA256

    ba03a250f61166d27449d8a8ecdcdfc208b96d7e37f70ba85bd835500dc8d9f3

  • SHA512

    aba8ce05e0f33e9419ade3b8269551a5076339b73a3063375442c3b6654121dabfcf257fa08b8d327a1e8e8ba79f1b905946821c3b8e192d67549f6ec9bb9d2b

  • SSDEEP

    49152:eo/N/OfLjOmtp6UY0tSh3HIVxkwz/nbvQTYG3tx5mUlSiKbWribW:egGfLjOmtp6uQSvZzrQ8+tPmUlUauW

Malware Config

Extracted

Family

octo

C2

https://hastanebilgimrehber.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimiletisim.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimkapsami.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimtavsiyesi.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimkaynak.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimyolu.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimgucu.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimguncel.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimyonetim.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimdestek.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimyenilik.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimtarih.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimkaynaklari.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimplatform.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimdogru.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimdogruluk.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimanlayis.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimhizmet.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimkalite.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimiletim.xyz/MzhiMTg0NTAwOTY5/

rc4.plain

Extracted

Family

octo

C2

https://hastanebilgimrehber.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimiletisim.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimkapsami.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimtavsiyesi.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimkaynak.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimyolu.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimgucu.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimguncel.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimyonetim.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimdestek.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimyenilik.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimtarih.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimkaynaklari.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimplatform.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimdogru.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimdogruluk.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimanlayis.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimhizmet.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimkalite.xyz/MzhiMTg0NTAwOTY5/

https://hastanebilgimiletim.xyz/MzhiMTg0NTAwOTY5/

Attributes
  • target_apps

    at.spardat.bcrmobile

    at.spardat.netbanking

    com.bankaustria.android.olb

    com.bmo.mobile

    com.cibc.android.mobi

    com.rbc.mobile.android

    com.scotiabank.mobile

    com.td

    cz.airbank.android

    eu.inmite.prj.kb.mobilbank

    com.bankinter.launcher

    com.kutxabank.android

    com.rsi

    com.tecnocom.cajalaboral

    es.bancopopular.nbmpopular

    es.evobanco.bancamovil

    es.lacaixa.mobile.android.newwapicon

    com.dbs.hk.dbsmbanking

    com.FubonMobileClient

    com.hangseng.rbmobile

    com.MobileTreeApp

    com.mtel.androidbea

    com.scb.breezebanking.hk

    hk.com.hsbc.hsbchkmobilebanking

    com.aff.otpdirekt

    com.ideomobile.hapoalim

    com.infrasofttech.indianBank

    com.mobikwik_new

    com.oxigen.oxigenwallet

    jp.co.aeonbank.android.passbook

AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

  • Octo family
  • Octo payload 2 IoCs
  • Removes its main activity from the application launcher 1 TTPs 1 IoCs
  • Loads dropped Dex/Jar 1 TTPs 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

    Application may abuse the framework's foreground service to continue running in the foreground.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Requests modifying system settings. 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

Processes

  • co.learnol.bksfz
    1⤵
    • Removes its main activity from the application launcher
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries the mobile country code (MCC)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Requests modifying system settings.
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Uses Crypto APIs (Might try to encrypt user data)
    PID:4248
    • /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/co.learnol.bksfz/app_clog/bJq.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/co.learnol.bksfz/app_clog/oat/x86/bJq.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4273

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/co.learnol.bksfz/.qco.learnol.bksfz

    Filesize

    48B

    MD5

    046a414913add6f5bb60072c7db819b6

    SHA1

    451ee4f6809260aec622d772fd329c7d0297a842

    SHA256

    b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

    SHA512

    4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

  • /data/data/co.learnol.bksfz/app_clog/bJq.json

    Filesize

    153KB

    MD5

    ea8885a294e5d61bfb87a78b44a190de

    SHA1

    b43f78299f935bddb3c5a86eb782902e1000b40d

    SHA256

    a2f4d42274ae8a0e041ddcab97d7f59065d02b6a224d67b23f240ac6a8d7eccb

    SHA512

    75af54e9163c1e4e16bb2f699a12172759b1299615ef38a41314396a2f805d32a616407bd0fd3b6f43ac58eff0052ad57136f2702ec9b12e4ffdcd7ec9d4e7e6

  • /data/data/co.learnol.bksfz/app_clog/bJq.json

    Filesize

    153KB

    MD5

    488e14c6c1a49d0f360e6cb8f2c40016

    SHA1

    ae9a2de8487fb9ea8a60ffd4002f2bd8e57b8a90

    SHA256

    f7e4993c508867115bfd0952499e182ca0d89cb6e73e246489da95043f90b618

    SHA512

    0425fe28b4646d49eedbc1503d95a3f4e278ec6604944f0991a42e3cf8dcfcf560ddfc220de563a219e28d6f27b8fbe6c683582a7273c344ffdc416991050c2d

  • /data/data/co.learnol.bksfz/kl.txt

    Filesize

    63B

    MD5

    3493e19cfe81bc2bbff487548c610c0d

    SHA1

    739458105eaa3853ec76962cdecb418ce2411bf9

    SHA256

    ac47415df868d03ea0523bfbc92b6a4c51b339a5758c39e7ea8cc6c7199bf61a

    SHA512

    675c2911a52f4eae8ed728575a8ab183f9983250fc10812d0c0613f42f8834e292be60e1e006d28d7b637c3db6534aa6892766e8632ee5ac298a179ee8cb292c

  • /data/data/co.learnol.bksfz/kl.txt

    Filesize

    423B

    MD5

    f3327760c42aad7b63f7e70fc1ad36be

    SHA1

    cac773afa4990cd0c3e688ca1b1369a8ee2ad21c

    SHA256

    79f3ba141dc60c91045a19461a1ceb5e28391bb4c414ef3cde127f7a76ae4d2d

    SHA512

    28f6653ef8c22c4456b36a1c370e11e83733bd1ef4ef8ef56b76e94a07a553c710c30b22d7762de15de28bfa840a110fe9781add07d3dd46a735a9efe1b14bee

  • /data/data/co.learnol.bksfz/kl.txt

    Filesize

    230B

    MD5

    c51744fc09cb4a495cd2d5b1402d031a

    SHA1

    e998359c21f396bafa326cbd349cf6698fd6134c

    SHA256

    2ec041fed984511e37084ed6e28796fbaa3621fb01e8ea4af631e84c1b6a0f45

    SHA512

    559af2f435bd44c81afe38863ff866223b436a2cd552289bbda28be3c7e35791b56856a178aa5fe66643f149471b31b186e42e4f2a2a4f8a9535314c0083d170

  • /data/data/co.learnol.bksfz/kl.txt

    Filesize

    54B

    MD5

    173bebc6713117b3067a660498a2186b

    SHA1

    b9f4b901d13e407c136f1122baacb1645aed8fee

    SHA256

    952198fdc70cb595a97501536dd4b5af0157435500062863440cee2ee131293b

    SHA512

    e31d842f76645261b3ffe37deeae1745d17e6f81a6b96e639cab8e67841eec745860f6de69ba0c3ff03314ca891957dfcad0b541a9eae0c38f9189916952ce39

  • /data/data/co.learnol.bksfz/kl.txt

    Filesize

    68B

    MD5

    2f6ba44865de0b893aa30ff5833780d0

    SHA1

    784227a78f2584d845c7a1e3e442e2681bc5cdb2

    SHA256

    5f82677ef1305a20a97ea74e6a00827e8a4d9c96f6a71b2becbb4196a5ba3c42

    SHA512

    ee65ae04d2a46985ec9b834aa59f304bb2bbe63ec818f87106bd6fa0fca440400efe280b937834e45522596cdf4ae6648e59cdfcba0fa9ad6c534160960f4099

  • /data/user/0/co.learnol.bksfz/app_clog/bJq.json

    Filesize

    450KB

    MD5

    e7f8ee54606713a660fb65e7e9fc47bb

    SHA1

    57c43d32a8126160f3319dad1fa01ed2a619fe17

    SHA256

    16c943cdc817a9bdc4e5b40cd13d7f847f4f62332fb0a389b1f9624c8d89567f

    SHA512

    de84204e638e24d8574d18ba4f97efa0d08fc96a36883483f9d175fea698b8cd5b209328198cd084a8d5c8f02e6409cad6d2326973217c845ed8b3d9913cee96

  • /data/user/0/co.learnol.bksfz/app_clog/bJq.json

    Filesize

    450KB

    MD5

    89243960818c1c09c1cb24b04f67faec

    SHA1

    593160660db3c7042ecea68687b63a454d19e440

    SHA256

    c305a073d24953c41b175ef45d02e03f73419e6809a7ab1b0f774550f768fb73

    SHA512

    52ae77c8985026d89ed84601e9a6e072f0556839e207866f9e053068858e68be9a814d2ebf7095c2e0814252edeea4715557818e029ee76fe1eec575f7aa8601